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- A task that skipped the BPF scheduler on its way back to its CPU's local queue could stall there until the watchdog fired, as the CPU had already decided to go idle. - Use-after-free of a destroyed user dispatch queue by a deferred re-enqueue request. - A task could be moved off a dispatch queue while the dispatching CPU was still running ops.dequeue() on it. - Bypass mode mishandled a sub-scheduler bypass overlapping an ancestor's, as across a system suspend. Descendants could leave bypass mid-teardown and tasks could be stranded on bypass queues. - The idle CPU selection helper could return a CPU outside the allowed CPUs of a pinned or migration-disabled task. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCatACow4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGdEvAP4tfwuDqRpiVDU/69SdALuWdObKorErLg/6uTxE 53qODgEA4Vvao1ZtcxzF3Fd+umA13UgiJ8WBxX66XJDMaxXtiAo= =LtsB -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-7.3-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - A task that skipped the BPF scheduler on its way back to its CPU's local queue could stall there until the watchdog fired, as the CPU had already decided to go idle. - Use-after-free of a destroyed user dispatch queue by a deferred re-enqueue request. - A task could be moved off a dispatch queue while the dispatching CPU was still running ops.dequeue() on it. - Bypass mode mishandled a sub-scheduler bypass overlapping an ancestor's, as across a system suspend. Descendants could leave bypass mid-teardown and tasks could be stranded on bypass queues. - The idle CPU selection helper could return a CPU outside the allowed CPUs of a pinned or migration-disabled task. * tag 'sched_ext-for-7.3-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Wait for SCX_OPSS_DISPATCHING before moving tasks off DSQs sched_ext: Rename scx_reenq_wait_dispatching() to scx_wait_dispatching() sched_ext: idle: Respect task affinity in restricted CPU selection sched_ext: Fix the bypass dispatch claim for schedulers bypassed by an ancestor sched_ext: Propagate every bypass depth change to the descendants sched_ext: Fix use-after-free of a destroyed user DSQ by a deferred reenqueue sched_ext: Fix stall when a task enqueued with SCX_ENQ_LAST lands back on its CPU's local DSQ |
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| .. | ||
| arena.c | ||
| arena.h | ||
| cid.c | ||
| cid.h | ||
| ext.c | ||
| ext.h | ||
| idle.c | ||
| idle.h | ||
| inlines.h | ||
| internal.h | ||
| sub.c | ||
| sub.h | ||
| types.h | ||